himself and navigated his yacht from polynesia to new zealand without using a compass but traditional law. the one passed from one generation to the next. courses in the discovery of the polynesian islands was a complex than social issues and due to the fact these people know the passage of the heavenly bodies and they also do. let me give you an example. this is straight up from the old tradition if you approach an island you will get the regular ocean swell then the waves off the cliff and these pilots are so into and that when they stop suspecting it they would stand up, lean over and since the direction that their testicles would swing the. [laughter] you laugh but they were so into with the ocean and their bodies they did it and david the was once told me but they said the land is over there and it was. they found it one day later. that is the intimate knowledge i am talking about the other thing that is startling is how little was very known but there is a huge literature of the lee did of the odyssey they don't describe them here is a cave and if you do this, it is all one to the o